"Krapivensky, S. The revolution and its moral mission. Novosti press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"Krapivensky, S.". The Revolution and Its Moral Mission. Novosti press.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"Krapivensky, S.". The Revolution and Its Moral Mission. Novosti press.
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